{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "protein", "RNA", "DNA", "cell line"], "input": "All factors are induced in the nuclei of T cells upon activation with mitogens but not with exogenous IL-2 growth factor ."}
{"cell type": ["T cells"], "protein": ["mitogens", "exogenous IL-2 growth factor", "IL-2"], "RNA": [], "DNA": [], "cell line": []}